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12.4.8 Legend LA 12TR-LA 16TR
A1 Wire jumper: For external control (via potential-free contact)
or use of a dew point monitor (via potential-free contact)
the jumper must be removed.
B3* Hot water thermostat
B5 Control thermostat, back-up heater
E3 Pressostat defrost end
E4 Nozzle ring heater
E10 Back-up heater
F1 Control-circuit fuse
F4 Pressostat, high pressure
F5 Pressostat, low pressure
F17 Safety temperatur limiter, back-up heater
F23 Bimetal contact, fan
H1** LED, ready for operation
K1 Contactor, compressor
K2 Contactor, fan
K20 Contactor, back-up heater
K24 Relay, call for domestic hot water
M1 Compressor
M2 Fan
M13 Heating circulating pump
N5* Dew point monitor
N7 Soft starter
N10 Remote control
N12 Control board
N13* Schaltgruppe, hot water
R1 External sensor
R2 Return sensor
R7 Coding resistor
R10* Moisture sensor
R12 Frost protection sensor, cooling mode (water)
R14** Setpoint potentiometer
R15 Flow sensor
S1** Control switch HP ON/OFF
S2** Change-over switch HEATING/COOLING
X1 Terminal strip, mains L/N/PE - 230 V AC / 50 Hz
X2 Terminal strip, external components
X5 Terminal strip, internal wiring
Y1 4-way reversing valve heating/cooling
Y5* 3-way reversing valve for domestic hot water preparation
* Parts to be provided by the client
** Parts are integrated into the remote control
APPENDIX: 12.4 WIRING DIAGRAMS